globalchange  > 过去全球变化的重建
DOI: 10.1016/j.marpolbul.2014.09.004
Scopus记录号: 2-s2.0-84908622774
论文题名:
Uptake of PCBs contained in marine sediments by the green macroalga Ulva rigida
作者: Cheney D.; Rajic L.; Sly E.; Meric D.; Sheahan T.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2014
卷: 88, 期:2018-01-02
起始页码: 207
结束页码: 214
语种: 英语
英文关键词: Bioremediation ; Bloom ; PCB ; Seaweed ; Ulva ; Uptake
Scopus关键词: Bioremediation ; Experiments ; Organic pollutants ; Seaweed ; Sediments ; Submarine geology ; Bloom ; Congener compositions ; Laboratory and field experiments ; Laboratory conditions ; Marine sediments ; Sediment content ; Ulva ; Uptake ; Polychlorinated biphenyls ; polychlorinated biphenyl ; polychlorinated biphenyl ; water pollutant ; algal bloom ; bioremediation ; concentration (composition) ; macroalga ; marine sediment ; PCB ; seaweed ; Article ; bioremediation ; chemical composition ; chlorination ; concentration (parameters) ; controlled study ; desorption ; environmental management ; environmental monitoring ; macroalga ; microcosm ; nonhuman ; plant biotechnology ; sediment ; Ulva rigida ; water contamination ; analysis ; bioremediation ; chemistry ; drug effects ; metabolism ; pharmacokinetics ; Ulva ; United States ; water pollutant ; Ulva ; Ulva rigida ; Biodegradation, Environmental ; Geologic Sediments ; Massachusetts ; Polychlorinated Biphenyls ; Ulva ; Water Pollutants, Chemical
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science ; Earth and Planetary Sciences: Oceanography ; Environmental Science: Pollution
英文摘要: The uptake of PCBs contained in marine sediments by the green macroalga Ulva rigida was investigated in both laboratory and field experiments. Under laboratory conditions, total PCBs (tPCBs) uptake was significantly greater in live vs dead plants. The concentration of tPCB taken up in live plants was greatest in the first 24h (1580μgkg-1 dry weight), and then increased at a lower rate from day 2 to 14. Dead plants had a significantly lower tPCB concentration after 24h (609μgkg-1 dry weight) and lower uptake rate through day 14. Lesser chlorinated PCB congeners (below 123) made up the majority of PCBs taken up. Congener composition in both laboratory and field experiments was correlated to congener logKow value and sediment content. Field experiments showed that Ulva plants could concentrate PCBs to 3.9mgkg-1 in 24h. Thus, U. rigida is capable of removing PCBs in sediments at a rapid rate. © 2014 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/85819
Appears in Collections:过去全球变化的重建
全球变化的国际研究计划

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作者单位: Marine Science Center, Northeastern University, Nahant, MA, United States; Civil and Environmental Engineering, Northeastern University, 360 Huntington Avenue, Boston, MA, United States; Geosyntec Consultants, Oak Brook, IL, United States

Recommended Citation:
Cheney D.,Rajic L.,Sly E.,et al. Uptake of PCBs contained in marine sediments by the green macroalga Ulva rigida[J]. Marine Pollution Bulletin,2014-01-01,88(2018-01-02)
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